Iris Calling? ... *goes to dig* ... crap, where'd I save that one pic...
EDIT:
US IS Forces...and the Katakana looks suspiciously like it can spell it. I'll look them up in a little bit.
EDIT 2: It's her - that's Iris.
![Big Grin](https://cdn-forums.animesuki.com/images/as.global/smilies/biggrin.gif)
Her name's right on the freakin' helmet...
[Ii-ri su * Kou-ri n gu] Strikes me as odd to say 'Calling' as 'Kouringu' but after a few times of saying it verbally, it works.
As for the other writing
Matsu-(?)yo o-shi-ri (something butt?) I guess it's just saying this is the rear view.